Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Mengting Qiu on 2025/06/04 18:42
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... ... @@ -11,17 +11,12 @@ 11 11 12 12 13 13 14 - 15 - 16 - 17 17 = 1.Introduction = 18 18 19 19 == 1.1 What is LT Series I/O Controller == 20 20 21 21 ((( 22 - 23 - 24 -The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring. 19 +The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring. 25 25 ))) 26 26 27 27 ((( ... ... @@ -29,7 +29,7 @@ 29 29 ))) 30 30 31 31 ((( 32 -The LT I/O Controllers is aiming to provide a n (%style="color:blue"%)**easy and low cost installation**(%%)by using LoRa wireless technology.27 +The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology. 33 33 ))) 34 34 35 35 ((( ... ... @@ -50,12 +50,9 @@ 50 50 51 51 ))) 52 52 53 - 54 54 == 1.2 Specifications == 55 55 56 56 ((( 57 - 58 - 59 59 **Hardware System:** 60 60 ))) 61 61 ... ... @@ -79,8 +79,6 @@ 79 79 ))) 80 80 81 81 ((( 82 - 83 - 84 84 **Interface for Model: LT22222-L:** 85 85 ))) 86 86 ... ... @@ -104,8 +104,6 @@ 104 104 ))) 105 105 106 106 ((( 107 - 108 - 109 109 **LoRa Spec:** 110 110 ))) 111 111 ... ... @@ -166,8 +166,6 @@ 166 166 * ((( 167 167 Packet engine up to 256 bytes with CRC. 168 168 169 - 170 - 171 171 172 172 ))) 173 173 ... ... @@ -203,8 +203,6 @@ 203 203 * 1 x Counting Port 204 204 ))) 205 205 206 - 207 - 208 208 = 2. Power ON Device = 209 209 210 210 The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller. ... ... @@ -216,7 +216,6 @@ 216 216 [[image:1653297104069-180.png]] 217 217 218 218 219 - 220 220 = 3. Operation Mode = 221 221 222 222 == 3.1 How it works? == ... ... @@ -227,9 +227,10 @@ 227 227 228 228 ((( 229 229 In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices. 213 + 214 + 230 230 ))) 231 231 232 - 233 233 == 3.2 Example to join LoRaWAN network == 234 234 235 235 ((( ... ... @@ -238,13 +238,12 @@ 238 238 239 239 [[image:image-20220523172350-1.png||height="266" width="864"]] 240 240 241 - 242 242 ((( 243 243 The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN: 244 244 ))) 245 245 246 246 ((( 247 - (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.230 +**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller. 248 248 ))) 249 249 250 250 ((( ... ... @@ -253,7 +253,6 @@ 253 253 254 254 [[image:1653297924498-393.png]] 255 255 256 - 257 257 Input these keys in the LoRaWAN Server portal. Below is TTN screen shot: 258 258 259 259 Add APP EUI in the application. ... ... @@ -267,13 +267,12 @@ 267 267 268 268 269 269 ((( 270 - (% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.252 +**Step 2**: Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel. 271 271 ))) 272 272 273 273 [[image:1653298044601-602.png||height="405" width="709"]] 274 274 275 275 276 - 277 277 == 3.3 Uplink Payload == 278 278 279 279 There are five working modes + one interrupt mode on LT for different type application: ... ... @@ -292,8 +292,6 @@ 292 292 [[image:image-20220523174024-3.png]] 293 293 294 294 ((( 295 - 296 - 297 297 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 298 298 ))) 299 299 ... ... @@ -307,7 +307,6 @@ 307 307 308 308 For example if payload is: [[image:image-20220523175847-2.png]] 309 309 310 - 311 311 **The value for the interface is: ** 312 312 313 313 AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V ... ... @@ -340,7 +340,6 @@ 340 340 341 341 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 342 342 343 - 344 344 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. 345 345 346 346 ((( ... ... @@ -349,7 +349,6 @@ 349 349 350 350 [[image:image-20220523180452-3.png]] 351 351 352 - 353 353 ((( 354 354 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below 355 355 ))) ... ... @@ -365,8 +365,6 @@ 365 365 ))) 366 366 367 367 ((( 368 - 369 - 370 370 **To use counting mode, please run:** 371 371 ))) 372 372 ... ... @@ -374,36 +374,67 @@ 374 374 ((( 375 375 ((( 376 376 **AT+MOD=2** 351 +))) 352 +))) 377 377 354 +(% class="box infomessage" %) 355 +((( 356 +((( 378 378 **ATZ** 379 379 ))) 380 380 ))) 381 381 382 382 ((( 383 - 384 - 385 385 (% style="color:#4f81bd" %)**AT Commands for counting:** 386 386 ))) 387 387 388 388 ((( 389 389 **For LT22222-L:** 367 +))) 390 390 369 +(% class="box infomessage" %) 370 +((( 371 +((( 372 +**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) ** 373 +))) 374 +))) 391 391 392 -(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** (set DI1 port to trigger on low level, valid signal is 100ms) ** 376 +(% class="box infomessage" %) 377 +((( 378 +((( 379 +**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) ** 380 +))) 381 +))) 393 393 394 -(% style="color:blue" %)**AT+TRIG1=1,100**(%%)** (set DI1 port to trigger on high level, valid signal is 100ms ) ** 383 +(% class="box infomessage" %) 384 +((( 385 +((( 386 +**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) ** 387 +))) 388 +))) 395 395 396 -(% style="color:blue" %)**AT+TRIG2=0,100**(%%)** (set DI2 port to trigger on low level, valid signal is 100ms) ** 390 +(% class="box infomessage" %) 391 +((( 392 +((( 393 +**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) ** 394 +))) 395 +))) 397 397 398 -(% style="color:blue" %)**AT+TRIG2=1,100**(%%)** (set DI2 port to trigger on high level, valid signal is 100ms ) ** 397 +(% class="box infomessage" %) 398 +((( 399 +((( 400 +**AT+SETCNT=1,60 (Set COUNT1 value to 60)** 401 +))) 402 +))) 399 399 400 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)** (Set COUNT1 value to 60)** 401 - 402 -(% style="color:blue" %)**AT+SETCNT=2,60**(%%)** (Set COUNT2 value to 60)** 404 +(% class="box infomessage" %) 405 +((( 406 +((( 407 +**AT+SETCNT=2,60 (Set COUNT2 value to 60)** 403 403 ))) 409 +))) 404 404 405 405 406 - 407 407 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 408 408 409 409 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -432,7 +432,12 @@ 432 432 ((( 433 433 ((( 434 434 **AT+MOD=3** 440 +))) 441 +))) 435 435 443 +(% class="box infomessage" %) 444 +((( 445 +((( 436 436 **ATZ** 437 437 ))) 438 438 ))) ... ... @@ -439,13 +439,12 @@ 439 439 440 440 ((( 441 441 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 452 + 453 + 442 442 ))) 443 443 444 - 445 - 446 446 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 447 447 448 - 449 449 **LT22222-L**: This mode the DI1 is used as a counting pin. 450 450 451 451 The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour. ... ... @@ -452,7 +452,6 @@ 452 452 453 453 [[image:image-20220523181903-8.png]] 454 454 455 - 456 456 ((( 457 457 (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 458 458 ))) ... ... @@ -468,8 +468,6 @@ 468 468 ))) 469 469 470 470 ((( 471 - 472 - 473 473 **To use this mode, please run:** 474 474 ))) 475 475 ... ... @@ -477,44 +477,64 @@ 477 477 ((( 478 478 ((( 479 479 **AT+MOD=4** 486 +))) 487 +))) 480 480 489 +(% class="box infomessage" %) 490 +((( 491 +((( 481 481 **ATZ** 482 482 ))) 483 483 ))) 484 484 496 +((( 497 + 498 +))) 485 485 486 - 487 487 ((( 488 488 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 489 489 ))) 490 490 491 491 ((( 492 - 493 - 494 494 **Plus below command for AVI1 Counting:** 506 +))) 495 495 508 +(% class="box infomessage" %) 509 +((( 510 +((( 511 +**AT+SETCNT=3,60 (set AVI Count to 60)** 512 +))) 513 +))) 496 496 497 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)** (set AVI Count to 60)** 515 +(% class="box infomessage" %) 516 +((( 517 +((( 518 +**AT+VOLMAX=20000 (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 519 +))) 520 +))) 498 498 499 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)** (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 522 +(% class="box infomessage" %) 523 +((( 524 +((( 525 +**AT+VOLMAX=20000,0 (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)** 526 +))) 527 +))) 500 500 501 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)** (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)** 502 - 503 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)** (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)** 529 +(% class="box infomessage" %) 530 +((( 531 +((( 532 +**AT+VOLMAX=20000,1 (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)** 504 504 ))) 534 +))) 505 505 506 506 507 - 508 508 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 509 509 510 - 511 511 **LT22222-L**: This mode the DI1 is used as a counting pin. 512 512 513 513 [[image:image-20220523182334-9.png]] 514 514 515 515 ((( 516 - 517 - 518 518 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 519 519 ))) 520 520 ... ... @@ -529,8 +529,6 @@ 529 529 ))) 530 530 531 531 ((( 532 - 533 - 534 534 **To use this mode, please run:** 535 535 ))) 536 536 ... ... @@ -538,7 +538,12 @@ 538 538 ((( 539 539 ((( 540 540 **AT+MOD=5** 565 +))) 566 +))) 541 541 568 +(% class="box infomessage" %) 569 +((( 570 +((( 542 542 **ATZ** 543 543 ))) 544 544 ))) ... ... @@ -545,13 +545,12 @@ 545 545 546 546 ((( 547 547 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 577 + 578 + 548 548 ))) 549 549 550 - 551 - 552 552 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 553 553 554 - 555 555 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** 556 556 557 557 For example, if user has configured below commands: ... ... @@ -564,7 +564,7 @@ 564 564 1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type 565 565 1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.** 566 566 567 - (% style="color:#037691" %)**AT Command to set Trigger Condition**:595 +**AT Command to set Trigger Condition**: 568 568 569 569 (% style="color:#4f81bd" %)**Trigger base on voltage**: 570 570 ... ... @@ -576,8 +576,6 @@ 576 576 577 577 AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 578 578 579 - 580 - 581 581 (% style="color:#4f81bd" %)**Trigger base on current**: 582 582 583 583 Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH> ... ... @@ -586,8 +586,6 @@ 586 586 587 587 AT+ACLIM=10000,15000,0,0 (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink) 588 588 589 - 590 - 591 591 (% style="color:#4f81bd" %)**Trigger base on DI status**: 592 592 593 593 DI status trigger Flag. ... ... @@ -594,13 +594,12 @@ 594 594 595 595 Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG > 596 596 597 - 598 598 **Example:** 599 599 600 600 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 601 601 602 602 603 - (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**626 +**Downlink Command to set Trigger Condition** 604 604 605 605 Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM** 606 606 ... ... @@ -618,18 +618,14 @@ 618 618 619 619 Yy4 yy4: AC2 or AV2 high limit. 620 620 621 - 622 622 **Example1**: AA 00 13 88 00 00 00 00 00 00 623 623 624 624 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 625 625 626 - 627 627 **Example2**: AA 02 01 00 628 628 629 629 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 630 630 631 - 632 - 633 633 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 634 634 635 635 MOD6 Payload : total 11 bytes payload ... ... @@ -636,7 +636,6 @@ 636 636 637 637 [[image:image-20220524085923-1.png]] 638 638 639 - 640 640 (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below 641 641 642 642 [[image:image-20220524090106-2.png]] ... ... @@ -681,18 +681,14 @@ 681 681 When device got this command, it will send the MOD6 payload. 682 682 683 683 684 - 685 685 === 3.3.7 Payload Decoder === 686 686 687 687 ((( 688 - 689 - 690 690 **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]] 691 691 692 692 693 693 ))) 694 694 695 - 696 696 == 3.4 Configure LT via AT or Downlink == 697 697 698 698 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -701,7 +701,7 @@ 701 701 There are two kinds of Commands: 702 702 ))) 703 703 704 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commandsand Downlink Command>>doc:Main.End.WebHome]]718 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands 705 705 706 706 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 707 707 ... ... @@ -710,7 +710,6 @@ 710 710 They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 711 711 712 712 713 - 714 714 === 3.4.2 Sensor related commands === 715 715 716 716 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -717,7 +717,7 @@ 717 717 718 718 Set device uplink interval. 719 719 720 -* (% style="color:#037691" %)**AT Command:**733 +* AT Command: 721 721 722 722 (% class="box infomessage" %) 723 723 ((( ... ... @@ -726,9 +726,8 @@ 726 726 727 727 **Example: **AT+TDC=30000. Means set interval to 30 seconds 728 728 742 +* Downlink Payload (prefix 0x01): 729 729 730 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):** 731 - 732 732 (% class="box infomessage" %) 733 733 ((( 734 734 **0x01 aa bb cc ~/~/ Same as AT+TDC=0x(aa bb cc)** ... ... @@ -735,12 +735,11 @@ 735 735 ))) 736 736 737 737 738 - 739 739 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 740 740 741 741 Set work mode. 742 742 743 -* (% style="color:#037691" %)**AT Command:**754 +* AT Command: 744 744 745 745 (% class="box infomessage" %) 746 746 ((( ... ... @@ -749,9 +749,8 @@ 749 749 750 750 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 751 751 763 +* Downlink Payload (prefix 0x0A): 752 752 753 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):** 754 - 755 755 (% class="box infomessage" %) 756 756 ((( 757 757 **0x0A aa ~/~/ Same as AT+MOD=aa** ... ... @@ -758,16 +758,14 @@ 758 758 ))) 759 759 760 760 761 - 762 762 ==== 3.4.2.3 Poll an uplink ==== 763 763 764 -* (% style="color:#037691" %)AT Command:773 +* AT Command: 765 765 766 766 There is no AT Command to poll uplink 767 767 777 +* Downlink Payload (prefix 0x08): 768 768 769 -* (% style="color:#037691" %)Downlink Payload (prefix 0x08): 770 - 771 771 (% class="box infomessage" %) 772 772 ((( 773 773 **0x08 FF ~/~/ Poll an uplink,** ... ... @@ -776,12 +776,11 @@ 776 776 **Example**: 0x08FF, ask device to send an Uplink 777 777 778 778 779 - 780 780 ==== 3.4.2.4 Enable Trigger Mode ==== 781 781 782 -Use of trigger mode, please check [[ADDMOD6>> ||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]789 +Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] 783 783 784 -* (% style="color:#037691" %)AT Command:791 +* AT Command: 785 785 786 786 (% class="box infomessage" %) 787 787 ((( ... ... @@ -792,9 +792,8 @@ 792 792 793 793 0: Disable Trigger Mode 794 794 802 +* Downlink Payload (prefix 0x0A 06): 795 795 796 -* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06): 797 - 798 798 (% class="box infomessage" %) 799 799 ((( 800 800 **0x0A 06 aa ~/~/ Same as AT+ADDMOD6=aa,** ... ... @@ -801,18 +801,16 @@ 801 801 ))) 802 802 803 803 804 - 805 805 ==== 3.4.2.5 Poll trigger settings ==== 806 806 807 807 Poll trigger settings, 808 808 809 -* (% style="color:#037691" %)AT Command:814 +* AT Command: 810 810 811 811 There is no AT Command for this feature. 812 812 818 +* Downlink Payload (prefix 0x AB 06): 813 813 814 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06): 815 - 816 816 (% class="box infomessage" %) 817 817 ((( 818 818 **0xAB 06 ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command** ... ... @@ -819,47 +819,54 @@ 819 819 ))) 820 820 821 821 822 - 823 823 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 824 824 825 825 Enable Disable DI1/DI2/DI2 as trigger, 826 826 827 -* (% style="color:#037691" %)AT Command:830 +* AT Command: 828 828 832 +(% class="box infomessage" %) 833 +((( 829 829 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 835 +))) 830 830 831 - 832 832 **Example:** 833 833 834 834 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 835 835 836 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):841 +* Downlink Payload (prefix 0xAA 02): 837 837 838 -**0xAA 02 aa bb **~/~/ Same as AT+DTRI=aa,bb 843 +(% class="box infomessage" %) 844 +((( 845 +**0xAA 02 aa bb ~/~/ Same as AT+DTRI=aa,bb** 846 +))) 839 839 840 840 841 - 842 - 843 843 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 844 844 845 845 Set DI1 or DI3(for LT-33222-L) trigger. 846 846 847 -* (% style="color:#037691" %)AT Command:853 +* AT Command: 848 848 855 +(% class="box infomessage" %) 856 +((( 849 849 **AT+TRIG1=a,b** 858 +))) 850 850 851 851 a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1). 852 852 853 853 b : delay timing. 854 854 855 - 856 856 **Example:** 857 857 858 858 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 859 859 868 +* Downlink Payload (prefix 0x09 01 ): 860 860 861 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):** 862 -* **0x09 01 aa bb cc ** ~/~/ same as AT+TRIG1=aa,0x(bb cc) 870 +(% class="box infomessage" %) 871 +((( 872 +**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)** 873 +))) 863 863 864 864 865 865 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== ... ... @@ -866,85 +866,98 @@ 866 866 867 867 Set DI2 trigger. 868 868 869 -* (% style="color:#037691" %)**AT Command:**880 +* AT Command: 870 870 882 +(% class="box infomessage" %) 883 +((( 871 871 **AT+TRIG2=a,b** 885 +))) 872 872 873 - 874 874 a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1). 875 875 876 876 b : delay timing. 877 877 878 - 879 879 **Example:** 880 880 881 881 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 882 882 895 +* Downlink Payload (prefix 0x09 02 ): 883 883 884 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):** 897 +(% class="box infomessage" %) 898 +((( 899 +**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)** 900 +))) 885 885 886 -**0x09 02 aa bb cc **~/~/ same as AT+TRIG1=aa,0x(bb cc) 887 887 888 - 889 - 890 - 891 891 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 892 892 893 -Set current trigger , base on AC port. See [[trigger mode>> ||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]905 +Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] 894 894 895 -* (% style="color:#037691" %)**AT Command**907 +* AT Command: 896 896 897 -**AT+ACLIM** 909 +(% class="box infomessage" %) 910 +((( 911 +**AT+ACLIM. ** 912 +))) 898 898 914 +* Downlink Payload (prefix 0xAA 01 ): 899 899 900 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )** 916 +(% class="box infomessage" %) 917 +((( 918 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]** 919 +))) 901 901 902 -**0x AA 01 aa bb cc dd ee ff gg hh ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 903 903 904 - 905 - 906 - 907 907 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 908 908 909 -Set current trigger , base on AV port. See [[trigger mode>> ||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]924 +Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] 910 910 911 -* (% style="color:#037691" %)**AT Command**926 +* AT Command: 912 912 913 -**AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 928 +(% class="box infomessage" %) 929 +((( 930 +**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]** 931 +))) 914 914 933 +* Downlink Payload (prefix 0xAA 00 ): 915 915 916 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )** 935 +(% class="box infomessage" %) 936 +((( 937 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] ** 938 +))) 917 917 918 -**0x AA 00 aa bb cc dd ee ff gg hh ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 919 919 920 - 921 - 922 - 923 923 ==== 3.4.2.11 Trigger – Set minimum interval ==== 924 924 925 925 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. 926 926 927 -* (% style="color:#037691" %)**AT Command**945 +* AT Command: 928 928 947 +(% class="box infomessage" %) 948 +((( 929 929 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 950 +))) 930 930 952 +* Downlink Payload (prefix 0xAC ): 931 931 932 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )** 954 +(% class="box infomessage" %) 955 +((( 956 +**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb) . Unit (min)** 957 +))) 933 933 934 -**0x AC aa bb ** ~/~/ same as AT+ATDC=0x(aa bb) . Unit (min) 935 935 936 - 937 - 938 - 939 939 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 940 940 941 -* (% style="color:#037691" %)**AT Command**962 +* AT Command: 942 942 943 943 There is no AT Command to control Digital Output 944 944 966 +* Downlink Payload (prefix 0x02): 945 945 946 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)** 947 -* **0x02 aa bb cc **~/~/ Set DO1/DO2/DO3 output 968 +(% class="box infomessage" %) 969 +((( 970 +**0x02 aa bb cc ~/~/ Set DO1/DO2/DO3 output** 971 +))) 948 948 949 949 ((( 950 950 If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low. ... ... @@ -965,20 +965,21 @@ 965 965 ))) 966 966 967 967 968 - 969 - 970 970 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 971 971 972 -* (% style="color:#037691" %)**AT Command**994 +* AT Command: 973 973 974 974 There is no AT Command to control Digital Output 975 975 998 +* Downlink Payload (prefix 0xA9): 976 976 977 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)** 1000 +(% class="box infomessage" %) 1001 +((( 1002 +((( 1003 +**0xA9 aa bb cc ~/~/ Set DO1/DO2/DO3 output with time control** 1004 +))) 1005 +))) 978 978 979 -**0xA9 aa bb cc **~/~/ Set DO1/DO2/DO3 output with time control 980 - 981 - 982 982 This is to control the digital output time of DO pin. Include four bytes: 983 983 984 984 (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9) ... ... @@ -989,22 +989,18 @@ 989 989 990 990 00: DO pins will change to an inverter state after timeout 991 991 992 - 993 993 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 994 994 995 995 [[image:image-20220524093238-6.png]] 996 996 997 - 998 998 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 999 999 1000 1000 [[image:image-20220524093328-7.png]] 1001 1001 1002 - 1003 1003 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1004 1004 1005 1005 [[image:image-20220524093351-8.png]] 1006 1006 1007 - 1008 1008 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1009 1009 1010 1010 Latching time. Unit: ms ... ... @@ -1011,7 +1011,6 @@ 1011 1011 1012 1012 Device will upload a packet if downlink code executes successfully. 1013 1013 1014 - 1015 1015 **Example payload:** 1016 1016 1017 1017 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1031,20 +1031,19 @@ 1031 1031 DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low 1032 1032 1033 1033 1054 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1034 1034 1056 +* AT Command: 1035 1035 1036 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1037 - 1038 -* (% style="color:#037691" %)**AT Command:** 1039 - 1040 1040 There is no AT Command to control Relay Output 1041 1041 1060 +* Downlink Payload (prefix 0x03): 1042 1042 1043 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):** 1062 +(% class="box infomessage" %) 1063 +((( 1064 +**0x03 aa bb ~/~/ Set RO1/RO2 output** 1065 +))) 1044 1044 1045 -**0x03 aa bb **~/~/ Set RO1/RO2 output 1046 - 1047 - 1048 1048 ((( 1049 1049 If payload = 0x030100, it means set RO1 to close and RO2 to open. 1050 1050 ))) ... ... @@ -1060,20 +1060,19 @@ 1060 1060 Device will upload a packet if downlink code executes successfully. 1061 1061 1062 1062 1063 - 1064 - 1065 1065 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1066 1066 1067 -* (% style="color:#037691" %)**AT Command:**1084 +* AT Command: 1068 1068 1069 1069 There is no AT Command to control Relay Output 1070 1070 1088 +* Downlink Payload (prefix 0x05): 1071 1071 1072 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):** 1090 +(% class="box infomessage" %) 1091 +((( 1092 +**0x05 aa bb cc dd ~/~/ Set RO1/RO2 relay with time control:** 1093 +))) 1073 1073 1074 -**0x05 aa bb cc dd **~/~/ Set RO1/RO2 relay with time control 1075 - 1076 - 1077 1077 This is to control the relay output time of relay. Include four bytes: 1078 1078 1079 1079 (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05) ... ... @@ -1084,17 +1084,14 @@ 1084 1084 1085 1085 00: Relays will change to an inverter state after timeout 1086 1086 1087 - 1088 1088 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1089 1089 1090 1090 [[image:image-20220524093831-10.png]] 1091 1091 1092 - 1093 1093 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1094 1094 1095 1095 Device will upload a packet if downlink code executes successfully. 1096 1096 1097 - 1098 1098 **Example payload:** 1099 1099 1100 1100 **~1. 05 01 11 07 D0** ... ... @@ -1114,29 +1114,33 @@ 1114 1114 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1115 1115 1116 1116 1117 - 1118 - 1119 1119 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1120 1120 1121 -When voltage exceed the threshold, count. Feature see [[MOD4>> ||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]1134 +When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]] 1122 1122 1123 -* (% style="color:#037691" %)**AT Command:**1136 +* AT Command: 1124 1124 1125 -**AT+VOLMAX ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] 1138 +(% class="box infomessage" %) 1139 +((( 1140 +**AT+VOLMAX ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]** 1141 +))) 1126 1126 1143 +* Downlink Payload (prefix 0xA5): 1127 1127 1128 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):** 1145 +(% class="box infomessage" %) 1146 +((( 1147 +**0xA5 aa bb cc ~/~/ Same as AT+VOLMAX=(aa bb),cc** 1148 +))) 1129 1129 1130 -**0xA5 aa bb cc **~/~/ Same as AT+VOLMAX=(aa bb),cc 1131 1131 1132 - 1133 - 1134 - 1135 1135 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1136 1136 1137 -* (% style="color:#037691" %)**AT Command:**1153 +* AT Command: 1138 1138 1139 -(% style="color:#037691" %)****(%%)**AT+SETCNT=aa,(bb cc dd ee) ** 1155 +(% class="box infomessage" %) 1156 +((( 1157 +**AT+SETCNT=aa,(bb cc dd ee) ** 1158 +))) 1140 1140 1141 1141 aa: 1: Set count1, 1142 1142 ... ... @@ -1146,41 +1146,49 @@ 1146 1146 1147 1147 Bb cc dd ee: number to be set 1148 1148 1168 +* Downlink Payload (prefix 0xA8): 1149 1149 1150 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):** 1170 +(% class="box infomessage" %) 1171 +((( 1172 +**0x A8 aa bb cc dd ee ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)** 1173 +))) 1151 1151 1152 -**0x A8 aa bb cc dd ee **~/~/ same as AT+SETCNT=aa,(bb cc dd ee) 1153 1153 1154 - 1155 - 1156 - 1157 1157 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1158 1158 1159 1159 Clear counting for counting mode 1160 1160 1161 -* (% style="color:#037691" %)**AT Command:**1180 +* AT Command: 1162 1162 1163 -(% style="color:#037691" %)(%%)**AT+CLRCOUNT ** ~/~/ clear all counting 1182 +(% class="box infomessage" %) 1183 +((( 1184 +**AT+CLRCOUNT ~/~/ clear all counting** 1185 +))) 1164 1164 1187 +* Downlink Payload (prefix 0xA6): 1165 1165 1166 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):** 1189 +(% class="box infomessage" %) 1190 +((( 1191 +**0x A6 01 ~/~/ clear all counting,** 1192 +))) 1167 1167 1168 -**0x A6 01 ** ~/~/ clear all counting 1169 1169 1170 - 1171 - 1172 - 1173 1173 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1174 1174 1175 -* (% style="color:#037691" %)**AT Command:**1197 +* AT Command: 1176 1176 1177 -**AT+COUTIME=60 **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30) 1199 +(% class="box infomessage" %) 1200 +((( 1201 +**AT+COUTIME=60 ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)** 1202 +))) 1178 1178 1204 +* Downlink Payload (prefix 0xA7): 1179 1179 1180 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):** 1206 +(% class="box infomessage" %) 1207 +((( 1208 +**0x A7 aa bb cc ~/~/ same as AT+COUTIME =aa bb cc,** 1209 +))) 1181 1181 1182 -**0x A7 aa bb cc **~/~/ same as AT+COUTIME =aa bb cc, 1183 - 1184 1184 ((( 1185 1185 range: aa bb cc:0 to 16777215, (unit:second) 1186 1186 ... ... @@ -1187,18 +1187,16 @@ 1187 1187 1188 1188 ))) 1189 1189 1190 - 1191 - 1192 1192 == 3.5 Integrate with Mydevice == 1193 1193 1194 1194 Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps: 1195 1195 1196 1196 ((( 1197 - (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.1222 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1198 1198 ))) 1199 1199 1200 1200 ((( 1201 - (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:1226 +**Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps: 1202 1202 ))) 1203 1203 1204 1204 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1205,38 +1205,30 @@ 1205 1205 1206 1206 [[image:image-20220524094641-11.png||height="390" width="723"]] 1207 1207 1208 - 1209 1209 [[image:image-20220524094641-12.png||height="402" width="718"]] 1210 1210 1235 +**Step 3**: Create an account or log in Mydevices. 1211 1211 1212 - (% style="color:blue" %)**Step3**(%%):Create an accountorloginMydevices.1237 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1213 1213 1214 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1215 - 1216 1216 Search under The things network 1217 1217 1218 1218 [[image:1653356838789-523.png||height="337" width="740"]] 1219 1219 1220 1220 1221 - 1222 1222 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1223 1223 1224 1224 [[image:image-20220524094909-1.png||height="335" width="729"]] 1225 1225 1226 - 1227 1227 [[image:image-20220524094909-2.png||height="337" width="729"]] 1228 1228 1229 - 1230 1230 [[image:image-20220524094909-3.png||height="338" width="727"]] 1231 1231 1232 - 1233 1233 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1234 1234 1235 - 1236 1236 [[image:image-20220524094909-5.png||height="341" width="734"]] 1237 1237 1238 1238 1239 - 1240 1240 == 3.6 Interface Detail == 1241 1241 1242 1242 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1246,7 +1246,6 @@ 1246 1246 [[image:1653356991268-289.png]] 1247 1247 1248 1248 1249 - 1250 1250 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1251 1251 1252 1252 ((( ... ... @@ -1262,106 +1262,52 @@ 1262 1262 [[image:1653357170703-587.png]] 1263 1263 1264 1264 ((( 1265 -((( 1266 1266 When use need to connect a device to the DI port, both DI1+ and DI1- must be connected. 1267 1267 ))) 1268 -))) 1269 1269 1270 -((( 1271 - 1272 -))) 1273 1273 1274 -((( 1275 -(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor. 1276 -))) 1285 +**Example1**: Connect to a Low active sensor. 1277 1277 1278 -((( 1279 1279 This type of sensor will output a low signal GND when active. 1280 -))) 1281 1281 1282 -* ((( 1283 -Connect sensor’s output to DI1- 1284 -))) 1285 -* ((( 1286 -Connect sensor’s VCC to DI1+. 1287 -))) 1289 +* Connect sensor’s output to DI1- 1290 +* Connect sensor’s VCC to DI1+. 1288 1288 1289 -((( 1290 -So when sensor active, the current between NEC2501 pin1 and pin2 is： 1291 -))) 1292 +So when sensor active, the current between NEC2501 pin1 and pin2 is： 1292 1292 1293 -((( 1294 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.** 1295 -))) 1294 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]] = DI1+ / 1K.** 1296 1296 1297 -((( 1298 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal. 1299 -))) 1296 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal. 1300 1300 1301 -((( 1302 - 1303 -))) 1304 1304 1305 -((( 1306 -(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor. 1307 -))) 1299 +**Example2**: Connect to a High active sensor. 1308 1308 1309 -((( 1310 1310 This type of sensor will output a high signal (example 24v) when active. 1311 -))) 1312 1312 1313 -* ((( 1314 -Connect sensor’s output to DI1+ 1315 -))) 1316 -* ((( 1317 -Connect sensor’s GND DI1-. 1318 -))) 1303 +* Connect sensor’s output to DI1+ 1304 +* Connect sensor’s GND DI1-. 1319 1319 1320 -((( 1321 1321 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1322 -))) 1323 1323 1324 -((( 1325 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.** 1326 -))) 1308 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.** 1327 1327 1328 -((( 1329 -If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal. 1330 -))) 1310 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal. 1331 1331 1332 -((( 1333 - 1334 -))) 1335 1335 1336 -((( 1337 -(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor. 1338 -))) 1313 +**Example3**: Connect to a 220v high active sensor. 1339 1339 1340 -((( 1341 1341 Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler 1342 -))) 1343 1343 1344 -* ((( 1345 -Connect sensor’s output to DI1+ with a serial 50K resistor 1346 -))) 1347 -* ((( 1348 -Connect sensor’s GND DI1-. 1349 -))) 1317 +* Connect sensor’s output to DI1+ with a serial 50K resistor 1318 +* Connect sensor’s GND DI1-. 1350 1350 1351 -((( 1352 1352 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1353 -))) 1354 1354 1355 -((( 1356 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.** 1357 -))) 1322 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.** 1358 1358 1359 -((( 1360 -If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K. = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely. 1361 -))) 1324 +If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K. = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely. 1362 1362 1363 1363 1364 - 1365 1365 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1366 1366 1367 1367 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1369,14 +1369,12 @@ 1369 1369 [[image:1653357531600-905.png]] 1370 1370 1371 1371 1372 - 1373 1373 === 3.6.4 Analog Input Interface === 1374 1374 1375 1375 The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is: 1376 1376 1338 +**AC2 = (IN2 voltage )/12** 1377 1377 1378 -(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1379 - 1380 1380 [[image:1653357592296-182.png]] 1381 1381 1382 1382 Example to connect a 4~~20mA sensor ... ... @@ -1383,24 +1383,22 @@ 1383 1383 1384 1384 We take the wind speed sensor as an example for reference only. 1385 1385 1346 +Specifications of the wind speed sensor: 1386 1386 1387 - **Specifications of the windspeed sensor:**1348 +Red:12~~24v 1388 1388 1389 - Red:12~~24v1350 +Yellow:4~~20mA 1390 1390 1391 - Yellow:4~~20mA1352 +Black:GND 1392 1392 1393 -Black: GND 1394 1394 1355 +Connection diagram: 1395 1395 1396 -**Connection diagram:** 1397 - 1398 1398 [[image:1653357640609-758.png]] 1399 1399 1400 1400 [[image:1653357648330-671.png||height="155" width="733"]] 1401 1401 1402 1402 1403 - 1404 1404 === 3.6.5 Relay Output === 1405 1405 1406 1406 ((( ... ... @@ -1412,7 +1412,6 @@ 1412 1412 [[image:image-20220524100215-10.png||height="382" width="723"]] 1413 1413 1414 1414 1415 - 1416 1416 == 3.7 LEDs Indicators == 1417 1417 1418 1418 [[image:image-20220524100748-11.png]] ... ... @@ -1426,7 +1426,6 @@ 1426 1426 1427 1427 [[image:1653358238933-385.png]] 1428 1428 1429 - 1430 1430 ((( 1431 1431 In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below: 1432 1432 ))) ... ... @@ -1433,7 +1433,6 @@ 1433 1433 1434 1434 [[image:1653358355238-883.png]] 1435 1435 1436 - 1437 1437 ((( 1438 1438 More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1439 1439 ))) ... ... @@ -1624,16 +1624,12 @@ 1624 1624 1625 1625 ))) 1626 1626 1627 - 1628 - 1629 1629 == 4.2 Common AT Command Sequence == 1630 1630 1631 1631 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1632 1632 1633 1633 ((( 1634 - 1635 - 1636 -**If device has not joined network yet:** 1587 +If device has not joined network yet: 1637 1637 ))) 1638 1638 1639 1639 ((( ... ... @@ -1658,7 +1658,7 @@ 1658 1658 1659 1659 1660 1660 ((( 1661 - **If device already joined network:**1612 +If device already joined network: 1662 1662 ))) 1663 1663 1664 1664 ((( ... ... @@ -1671,14 +1671,10 @@ 1671 1671 1672 1672 ))) 1673 1673 1674 - 1675 - 1676 1676 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1677 1677 1678 1678 ((( 1679 - 1680 - 1681 -(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1628 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1682 1682 ))) 1683 1683 1684 1684 ((( ... ... @@ -1686,7 +1686,7 @@ 1686 1686 ))) 1687 1687 1688 1688 ((( 1689 -(% style="background-color:#dcdcdc" %) 123456(%%) 1636 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1690 1690 ))) 1691 1691 1692 1692 ((( ... ... @@ -1694,41 +1694,39 @@ 1694 1694 ))) 1695 1695 1696 1696 ((( 1697 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) 1644 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1698 1698 ))) 1699 1699 1700 1700 ((( 1701 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) 1648 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1702 1702 ))) 1703 1703 1704 1704 ((( 1705 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) 1652 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1706 1706 ))) 1707 1707 1708 1708 ((( 1709 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) 1656 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1710 1710 ))) 1711 1711 1712 1712 ((( 1713 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) 1660 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1714 1714 ))) 1715 1715 1716 1716 ((( 1717 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) 1664 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1718 1718 ))) 1719 1719 1720 1720 ((( 1721 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) 1668 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1722 1722 ))) 1723 1723 1724 1724 ((( 1725 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) 1672 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1726 1726 ))) 1727 1727 1728 1728 ((( 1729 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1730 - 1731 - 1676 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1732 1732 ))) 1733 1733 1734 1734 ((( ... ... @@ -1750,7 +1750,6 @@ 1750 1750 1751 1751 ))) 1752 1752 1753 - 1754 1754 === 4.2.3 Change to Class A === 1755 1755 1756 1756 If sensor JOINED ... ... @@ -1762,25 +1762,19 @@ 1762 1762 1763 1763 == 5.1 How to upgrade the image? == 1764 1764 1765 - 1766 1766 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1767 1767 1768 1768 * Support new features 1769 1769 * For bug fix 1770 1770 * Change LoRaWAN bands. 1771 - 1772 1772 Below shows the hardware connection for how to upload an image to the LT: 1715 +* [[image:1653359603330-121.png]] 1773 1773 1774 -[[image:1653359603330-121.png]] 1775 - 1776 - 1777 1777 ((( 1778 -(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1779 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1780 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1781 - 1782 - 1783 -(% style="color:blue" %)**For LT-22222-L**(%%): 1718 +**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1719 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1720 +**Step3: **Open flashloader; choose the correct COM port to update. 1721 +**For LT-22222-L**: 1784 1784 Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode. 1785 1785 ))) 1786 1786 ... ... @@ -1790,7 +1790,6 @@ 1790 1790 1791 1791 [[image:image-20220524104033-15.png]] 1792 1792 1793 - 1794 1794 (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1795 1795 1796 1796 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1798,8 +1798,6 @@ 1798 1798 1799 1799 ((( 1800 1800 ((( 1801 - 1802 - 1803 1803 == 5.2 How to change the LoRa Frequency Bands/Region? == 1804 1804 ))) 1805 1805 ))) ... ... @@ -1806,11 +1806,11 @@ 1806 1806 1807 1807 ((( 1808 1808 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1809 -))) 1810 1810 1811 -((( 1812 1812 1746 +))) 1813 1813 1748 +((( 1814 1814 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1815 1815 ))) 1816 1816 ... ... @@ -1823,8 +1823,6 @@ 1823 1823 ((( 1824 1824 ((( 1825 1825 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1826 - 1827 - 1828 1828 ))) 1829 1829 ))) 1830 1830 ... ... @@ -1840,25 +1840,23 @@ 1840 1840 (% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN. 1841 1841 ))) 1842 1842 1843 - 1844 1844 ((( 1845 1845 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1846 1846 ))) 1847 1847 1848 1848 ((( 1849 -(% style="background-color:#dcdcdc" %)123456 (%%) 1850 -(% style="background-color:#dcdcdc" %)AT+FDR(%%) 1851 -(% style="background-color:#dcdcdc" %)123456 (%%) 1852 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) 1853 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) 1854 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) 1855 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) 1856 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) 1857 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) 1858 -(% style="background-color:#dcdcdc" %)ATZ (%%) 1781 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1782 +(% style="background-color:#dcdcdc" %)AT+FDR (%%) Reset Parameters to Factory Default, Keys Reserve 1783 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1784 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1785 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1786 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1787 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%)Set transmit interval to 60 seconds 1788 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz 1789 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1790 +(% style="background-color:#dcdcdc" %)ATZ (%%)Reset MCU 1859 1859 ))) 1860 1860 1861 - 1862 1862 ((( 1863 1863 As shown in below: 1864 1864 ))) ... ... @@ -1871,23 +1871,10 @@ 1871 1871 ((( 1872 1872 User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first. 1873 1873 1874 - 1875 -== 5.5 Can i use point to point communication for LT-22222-L? == 1876 - 1877 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1805 + 1878 1878 ))) 1879 1879 1880 1880 ((( 1881 -== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? == 1882 - 1883 -If the device is not shut down, but directly powered off. 1884 - 1885 -It will default that this is a power-off state. 1886 - 1887 -In modes 2 to 5, DO RO status and pulse count are saved in flash. 1888 - 1889 -After restart, the status before power failure will be read from flash. 1890 - 1891 1891 = 6. Trouble Shooting = 1892 1892 ))) 1893 1893 ... ... @@ -1899,11 +1899,11 @@ 1899 1899 1900 1900 ((( 1901 1901 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 1902 -))) 1903 1903 1904 -((( 1905 1905 1822 +))) 1906 1906 1824 +((( 1907 1907 == 6.2 Have trouble to upload image. == 1908 1908 ))) 1909 1909 ... ... @@ -1913,7 +1913,9 @@ 1913 1913 1914 1914 ((( 1915 1915 1834 +))) 1916 1916 1836 +((( 1917 1917 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1918 1918 ))) 1919 1919 ... ... @@ -1921,55 +1921,147 @@ 1921 1921 It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1922 1922 ))) 1923 1923 1844 +((( 1845 + 1846 +))) 1924 1924 1925 - 1848 +((( 1926 1926 = 7. Order Info = 1850 +))) 1927 1927 1928 - 1852 +((( 1853 +((( 1929 1929 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1855 +))) 1856 +))) 1930 1930 1931 - 1858 +((( 1859 +((( 1932 1932 (% style="color:#4f81bd" %)**XXX:** 1861 +))) 1862 +))) 1933 1933 1934 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1935 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1936 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1937 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1938 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1939 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1940 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1941 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1942 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1864 +((( 1865 +* ((( 1866 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1867 +))) 1868 +))) 1943 1943 1944 -= 8. Packing Info = 1870 +((( 1871 +* ((( 1872 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1873 +))) 1874 +))) 1945 1945 1876 +((( 1877 +* ((( 1878 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1879 +))) 1880 +))) 1946 1946 1882 +((( 1883 +* ((( 1884 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1885 +))) 1886 +))) 1887 + 1888 +((( 1889 +* ((( 1890 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1891 +))) 1892 +))) 1893 + 1894 +((( 1895 +* ((( 1896 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1897 +))) 1898 +))) 1899 + 1900 +((( 1901 +* ((( 1902 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1903 +))) 1904 +))) 1905 + 1906 +((( 1907 +* ((( 1908 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1909 +))) 1910 +))) 1911 + 1912 +((( 1913 +* ((( 1914 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1915 + 1916 + 1917 +))) 1918 + 1919 += 8. Packing Info = 1920 +))) 1921 + 1922 +((( 1923 +((( 1947 1947 **Package Includes**: 1925 +))) 1926 +))) 1948 1948 1928 +((( 1929 +((( 1949 1949 * LT-22222-L I/O Controller x 1 1950 1950 * Stick Antenna for LoRa RF part x 1 1951 1951 * Bracket for controller x1 1952 1952 * Program cable x 1 1934 +))) 1935 +))) 1953 1953 1937 +((( 1938 +((( 1954 1954 **Dimension and weight**: 1940 +))) 1941 +))) 1955 1955 1943 +((( 1944 +((( 1956 1956 * Device Size: 13.5 x 7 x 3 cm 1957 1957 * Device Weight: 105g 1958 1958 * Package Size / pcs : 14.5 x 8 x 5 cm 1959 1959 * Weight / pcs : 170g 1960 1960 1950 + 1951 +))) 1952 +))) 1953 + 1954 +((( 1961 1961 = 9. Support = 1956 +))) 1962 1962 1963 1963 * ((( 1959 +((( 1964 1964 Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 1965 1965 ))) 1962 +))) 1966 1966 * ((( 1967 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1964 +((( 1965 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to 1968 1968 ))) 1967 +))) 1969 1969 1969 +((( 1970 +((( 1971 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1972 + 1973 + 1974 +))) 1975 + 1976 +((( 1970 1970 = 10. Reference = 1971 1971 1972 -* LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]] 1979 +* Product Page: 1980 + 1981 +LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]] 1982 + 1973 1973 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 1974 1974 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1975 1975 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 1986 +))) 1987 +)))
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